.header {
    height: 80px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    font-size: 44px;
    background-color: skyblue;
  }
  
  .box {
    border: 1px solid #333;
    margin-top: 20px;
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    padding: 22px;
  }
  
  .box > .category {
    height: 160px;
    display: flex;
    border-bottom: 1px solid #333;
  }
  
  .box > .category > .title,
  .box > .search > .title {
    width: 100px;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  .box > .category > ul,
  .box > .sortBox > ul,
  .box > .filter > ul {
    flex: 1;
    height: 100%;
    box-sizing: border-box;
    padding: 10px;
  }
  
  .box > .category > ul > li,
  .box > .sortBox > ul > li,
  .box > .filter > ul > li {
    float: left;
    height: 30px;
    font-size: 20px;
    padding: 5px 10px;
    margin: 5px;
    cursor: pointer;
  }
  
  .box > .category > ul > li.active,
  .box > .sortBox > ul > li.active,
  .box > .filter > ul > li.active {
    background-color: pink;
    color: #fff;
  }
  
  .box > .filter {
    height: 100px;
    display: flex;
    border-bottom: 1px solid #333;
  
  }
  
  .box > .filter > .title,
  .box > .sortBox > .title {
    width: 100px;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  .box > .filter > ul {
    display: flex;
    align-items: center;
  }
  
  .box > .search {
    height: 100px;
    border-bottom: 1px solid #333;
    display: flex;
    align-items: center;
  }
  
  .box > .search > input {
    height: 40px;
    padding-left: 20px;
    font-size: 20px;
    width: 300px;
  }
  
  .box > .search > button {
    padding: 10px 20px;
    margin-left: 20px;
    cursor: pointer;
  }
  
  .box > .sortBox {
    display: flex;
    border-bottom: 1px solid #333;
  }
  
  .box > .sortBox > ul > li {
    border: 1px solid #333;
    padding-right: 30px;
    position: relative;
  }
  
  .box > .sortBox > ul > li > span {
    position: absolute;
    width: 0;
    height: 0;
    border: 10px solid #ccc;
    position: absolute;
    right: 5px;
  }
  
  .box > .sortBox > ul > li > span:nth-child(1) {
    top: 7px;
    border-left-color: transparent;
    border-bottom-color: transparent;
    transform: rotate(-45deg);
  }
  
  .box > .sortBox > ul > li > span:nth-child(2) {
    bottom: 7px;
    border-left-color: transparent;
    border-bottom-color: transparent;
    transform: rotate(135deg);
  }
  
  .box > .sortBox > ul > li > span.active {
    border-right-color: #333;
    border-top-color: #333;
  }
  
  .box > .pagination {
    height: 100px;
    display: flex;
    align-items: center;
    font-size: 24px;
  }
  
  .box > .pagination > span {
    padding-left: 20px;
    padding-right: 20px;
  }
  
  .box > .pagination > select {
    font-size: 24px;
    padding: 5px;
  }
  
  .box > .pagination > .prev,
  .box > .pagination > .next {
    padding: 5px 20px;
    border: 1px solid #ccc;
    cursor: pointer;
    margin-left: 20px;
  }
  
  .list {
    border: 2px solid #333;
  }
  
  .list > li {
    width: 280px;
    height: 500px;
    border: 1px solid #333;
    box-sizing: border-box;
    float: left;
    margin: 10px;
    display: flex;
    flex-direction: column;
    position: relative;
  }
  
  .list > li > .show {
    height: 280px;
    border-bottom: 1px solid #333;
  }
  
  .list > li * {
    pointer-events: none;
  }
  
  .list > li button {
    pointer-events: all;
  }
  
  
  .list > li > .tip {
    padding: 5px;
    position: absolute;
    background-color: red;
    color: #fff;
    right: 0;
    top: 0;
    display: none;
  }
  
  .list > li > .tip.active {
    display: block;
  }
  
  .list > li > .tip:nth-of-type(2) {
    right: 50px;
    background-color: orange;
  }
  
  .list > li > .desc {
    box-sizing: border-box;
    padding: 10px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    flex: 1;
  }
  
  .list > li > .desc > .info {
    height: 50px;
    line-height: 25px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }
  
  .list > li > .desc > .price {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  
  .list > li > .desc > .price > .current {
    font-size: 26px;
    color: red;
  }
  
  .list > li > .desc > .price > .old {
    font-size: 16px;
    color: #ccc;
  }
  
  .list > li > .desc > button {
    padding: 10px 0;
    font-size: 22px;
  }
  